CVE-2021-4184

7.5 HIGH

Published: December 30, 2021 Modified: November 03, 2025

Description

Infinite loop in the BitTorrent DHT dissector in Wireshark 3.6.0 and 3.4.0 to 3.4.10 allows denial of service via packet injection or crafted capture file

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

CVSS v3.x Details

0.0 Low Medium High Critical 10.0

Vector String

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory

https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-4184.json

Source: cve@gitlab.com

Third Party Advisory

https://gitlab.com/wireshark/wireshark/-/issues/17754

Source: cve@gitlab.com

Exploit Issue Tracking Third Party Advisory

https://lists.debian.org/debian-lts-announce/2022/03/msg00041.html

Source: cve@gitlab.com

Mailing List Third Party Advisory

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Q6XGBKWSQFCVYUN4ZK3O3NJIFP3OAFVT/

Source: cve@gitlab.com

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/R5AEK3XTOIOGCGUILUFISMGX54YJXWGJ/

Source: cve@gitlab.com

https://security.gentoo.org/glsa/202210-04

Source: cve@gitlab.com

Third Party Advisory

https://www.oracle.com/security-alerts/cpuapr2022.html

Source: cve@gitlab.com

Third Party Advisory

https://www.wireshark.org/security/wnpa-sec-2021-18.html

Source: cve@gitlab.com

Vendor Advisory

https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-4184.json